Antalis vulgaris

Antalis vulgaris
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Scaphopoda
Order: Dentaliida
Family: Dentaliidae
Genus: Antalis
Species:
A. vulgaris
Binomial name
Antalis vulgaris
(da Costa, 1778)
Synonyms

Dentalium vulgare (da Costa, 1778)

Antalis vulgaris, commonly known as the common tusk shell, is a species of scaphopods mainly encountered on sandy bottoms from 5 to 1000 meters depth.[1]

Description

Antalis vulgaris is a small mollusc of 3 to 6 cm length with a characteristic elephant tusk shape. Its shell is opaque white and displays closely spaced longitudinal striations on the posterior portion. The anterior aperture (thinnest end) is circular and is occluded by a septum with a central pipe bearing a circular orifice.[2]

Distribution

The common tusk shell is found from south-western United Kingdom to western Mediterranean.[3]

Diet

The species stands vertically in soft grounds and search the sand with specific adhesive tentacles (captacula) for small benthic species such as foraminifera.[3][4]

Reproduction

Separated sexes. The fecundation is external and gives rise to planktonic larvae called trochophore.[3]

Similar species

  • Antalis entalis (Linnaeus, 1758) is smaller (4cm), has a pyriform-shaped anterior orifice and has no longitudinal striations.

References

  1. ^ "Antalis vulgaris, tusk shell". www.sealifebase.ca. Retrieved 2019-02-25.
  2. ^ Hayward, P. J.; Ryland, J. S. (2017). Handbook of the Marine fauna in North-West Europe. Oxford University Press (GBP). ISBN 9780199549443. OCLC 962330493.
  3. ^ a b c d "Antalis vulgaris | DORIS". doris.ffessm.fr. Retrieved 2019-02-26.
  4. ^ Audibert, Cédric; Delemarre, Jean-Louis (2009). Guide des coquillages de France Atlantique et Manche. Paris: Belin. ISBN 9782701146713. OCLC 690331649.


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